1.

a body is decelerating uniformly to a constant speed and then accelerates uniformly . draw speed time graph

Answer»

Answer:

speed time GRAPH

Explanation:

A body is decelerating   uniformly for 5 second to a constant speed and moves with this speed for 30 seconds.

then accelerates for 10 sec to acquire the speed it had in the beginning. Draw velocity time graph of the body.​

Time Velocity

0 20

1 18

2 16

3 14

4 12

5 10

6 10

7 10

8 10

9 10

10 10

11 10

12 10

13 10

14 10

15 10

16 10

17 10

18 10

19 10

20 10

21 10

22 10

23 10

24 10

25 10

26 10

27 10

28 10

29 10

30 10

31 10

32 10

33 10

34 10

35 10

36 11

37 12

38 13

39 14

40 15

41 16

42 17

43 18

44 19

45 20


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